music_event_handler.h

Go to the documentation of this file.

/*
 *  music_event_handler.h
 *
 *  This file is part of NEST.
 *
 *  Copyright (C) 2004 The NEST Initiative
 *
 *  NEST is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  NEST is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with NEST.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef MUSIC_EVENT_HANDLER
#define MUSIC_EVENT_HANDLER

#include "config.h"

#ifdef HAVE_MUSIC

#include <music.hh>
#include "nest.h"
#include "node.h"

#include <queue>

namespace nest {
  
  class Network;

class MusicEventHandler : public MUSIC::EventHandlerGlobalIndex
{
public:
  MusicEventHandler();
  MusicEventHandler(std::string portname, double acceptable_latency, int max_buffered, Network* net);

  virtual ~MusicEventHandler();

  void register_channel(int channel, nest::Node* mp);

  void publish_port();
  
  void operator () (double t, MUSIC::GlobalIndex channel);

  void update(Time const &, const long_t, const long_t);

private:
  MUSIC::EventInputPort *music_port_;
  MUSIC::PermutationIndex *music_perm_ind_;
  bool published_;
  std::string portname_;
  std::vector<nest::Node*> channelmap_;      
  std::vector<MUSIC::GlobalIndex> indexmap_; 
  double acceptable_latency_;                
  int max_buffered_;
  Network* net_;                             

  std::vector< std::priority_queue< double, std::vector<double>, std::greater<double> > > eventqueue_;
};
  
} // namespace nest

#endif // HAVE_MUSIC

#endif // MUSIC_EVENT_HANDLER